Replacement Double Clip: hold together 2 TFC membrane housings, or 1 membrane housing and 1 inline cartridge (two clips required).
**Variations of this product can be found in many online stores. The version we carry is of...

1 micron dual density gradient sediment filter—highly recommended due to longer life and cost effectiveness. Use with 1/2 micron carbon block filter to fully prefilter water down to 1/2 micron.
manufactured from 100% pu...

Flow restrictor for 25 GPD membranes—for replacement or when upgrading to a higher GPD membrane. Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/D...

1/4" Reverse Osmosis Tubing - Black (sold per foot) Modify the cart quantity to increase the length of your tubing.
**Variations of this product can be found in many online stores. The version we carry is of the highest q...

Garden Hose adaptor Works with any RO systems, which come with 1/4" tubing.
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible f...

RO Housing wrench for Captive Purity and SpectraPure RO and RO/DI units only.
May not be compatible with all RO/DI brands.
**Variations of this product can be found in many online stores. The version we carry is of the h...

Calibration Fluid for TDS meter with automatic temperature compensation.
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for p...

Replacement Clip: holds TFC membrane housing onto RO system filter bracket. Two clips are needed for each TFC membrane housing.
**Variations of this product can be found in many online stores. The version we carry is of th...

Metal Bracket for RO Filters—will hold one filter housings
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for ...

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